Unverified Commit 40e6073e authored Dec 15, 2024 by Guo Ren Committed by Palmer Dabbelt Jan 08, 2025

riscv: qspinlock: Fixup _Q_PENDING_LOOPS definition



When CONFIG_RISCV_QUEUED_SPINLOCKS=y, the _Q_PENDING_LOOPS
definition is missing. Add the _Q_PENDING_LOOPS definition for
pure qspinlock usage.

Fixes: ab83647f ("riscv: Add qspinlock support")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20241215135252.201983-1-guoren@kernel.org


Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

parent 51356ce6

arch/riscv/include/asm/spinlock.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -3,8 +3,11 @@
		#ifndef __ASM_RISCV_SPINLOCK_H
		#define __ASM_RISCV_SPINLOCK_H

		#ifdef CONFIG_RISCV_COMBO_SPINLOCKS
		#ifdef CONFIG_QUEUED_SPINLOCKS
		#define _Q_PENDING_LOOPS (1 << 9)
		#endif

		#ifdef CONFIG_RISCV_COMBO_SPINLOCKS

		#define __no_arch_spinlock_redefine
		#include <asm/ticket_spinlock.h>